Scientists warn that cloning is too dangerous for people
As scientists consider whether human cloning can be safe, the stories of two
sheep, one famous and one dead, illustrate the dream and the danger.
One tale centers on the photogenic Dolly, the first animal ever cloned from an
adult mammalian cell (SN: 3/1/97, p. 132: http://www.sciencenews.org/sn_arc97/3_1_97/fob1.htm). While investigators continue to study
the 5-year-old sheep for late-developing abnormalities, such as premature aging,
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